121388273000117 has 4 divisors (see below), whose sum is σ = 122924833417920. Its totient is φ = 119851712582316.

The previous prime is 121388273000063. The next prime is 121388273000329. The reversal of 121388273000117 is 711000372883121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121388273000117 is a prime.

It is a super-2 number, since 2×121388273000117² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121388273008117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768280208783 + ... + 768280208940.

It is an arithmetic number, because the mean of its divisors is an integer number (30731208354480).

Almost surely, 2^{121388273000117} is an apocalyptic number.

It is an amenable number.

121388273000117 is a deficient number, since it is larger than the sum of its proper divisors (1536560417803).

121388273000117 is an equidigital number, since it uses as much as digits as its factorization.

121388273000117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536560417802.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 121388273000117 in words is "one hundred twenty-one trillion, three hundred eighty-eight billion, two hundred seventy-three million, one hundred seventeen", and thus it is an aban number.